Patent SG-11201901264T-A (SG)
Title: Polypropylene film structure having increased life time
Inventor: JACOBS FRANCISCUS
IPC: H01G4/22
Filed: 2017-10-24
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property MD 1101111 0 DOI HIM 011101 0 011111111111111111111111111111111111111111111 Organization International Bureau (10) International Publication Number (43) International Publication Date . . .., . .. WO 2018/077838 Al 03 May 2018 (03.05.2018) W I P0 I P C T (51) International Patent Classification: MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, CO8J 5/18 (2006.01) HO1G 4/22 (2006.01) TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, HO1B 3/22 (2006.01) B32B 27/32 (2006.01) KM, ML, MR, NE, SN, TD, TG). HO1B 3/44 (2006.01) B29C 55/12 (2006.01) HO1G 4/18 (2006.01) Published: (21) International Application Number: — with international search report (Art. 21(3)) PCT/EP2017/077094 (22) International Filing Date: 24 October 2017 (24.10.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 16196111.5 27 October 2016 (27.10.2016) EP (71) Applicant: BOREALIS AG [AT/AT]; IZD Tower, Wa- gramer Str. 17-19, 1220 Vienna (AT). (72) Inventors: JACOBS, Franciscus; Reibroekstraat 58, 9940 Evergem (BE). BOELAERS, Guido; Kastanjelaan 13, 3900 Overpelt (BE). GLOGER, Dietrich; ZollamtstraBe 7b/2/34, 4020 Linz (AT). RINNERTHALER, Helmut; Hausengutweg 4, 4040 Linz (AT). Agent: MAIWALD PATENTANWALTS GMBH; (74) Elisenhof Elisenstr. 3, 80335 Mfinchen (DE). = (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. — Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, (84) ,_ 1 (54) Title: POLYPROPYLENE FILM STRUCTURE HAVING INCREASED LIFE TIME (57) : The present invention refers to a structure comprising a biaxially oriented polypropylene (BOPP) film having at least GO one layer comprising a homopolymer of propylene which layer is in contact with an oil phase, the homopolymer of propylene has a) f.r1 GC a content of isotactic pentads in the range from 95 % to 98 %, and b) a content of ash of not more than 30 ppm, based on the total N weight of the homopolymer of propylene, characterized in that the oil phase has an absorbance value of < 0.1, relative to the pure oil, IN as determined spectrophotometrically at a wavelength of 860 nm by the reduction of transmitted light intensity. The present invention 0 --.... further refers to the use of a biaxially oriented polypropylene (BOPP) film for making capacitors comprising said structure, wherein the Ot oil phase has an absorbance value of < 0.1, relative to the pure oil, as determined spectrophotometrically at a wavelength of 860 nm by 1-1 c ::: :) the reduction of transmitted light intensity as well as the use of the homopolymer of propylene for increasing the life time of a capacitor. ei C